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339: Only show link to CONTRIBUTING.md if it exists #551

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25 changes: 19 additions & 6 deletions bots/pr/src/main/java/org/openjdk/skara/bots/pr/CheckRun.java
Expand Up @@ -30,6 +30,7 @@
import org.openjdk.skara.email.EmailAddress;

import java.io.*;
import java.nio.file.Path;
import java.util.*;
import java.util.logging.Logger;
import java.util.regex.*;
Expand Down Expand Up @@ -444,12 +445,24 @@ private String getMergeReadyComment(String commitMessage, List<Review> reviews,
var message = new StringBuilder();
message.append("@");
message.append(pr.author().userName());
message.append(" This change now passes all automated pre-integration checks. When the change also ");
message.append("fulfills all [project specific requirements](https://github.com/");
message.append(pr.repository().name());
message.append("/blob/");
message.append(pr.targetRef());
message.append("/CONTRIBUTING.md), type `/integrate` in a new comment to proceed. After integration, ");
message.append(" This change now passes all automated pre-integration checks");

try {
var hasContributingFile =
!prInstance.localRepo().files(prInstance.targetHash(), Path.of("CONTRIBUTING.md")).isEmpty();
if (hasContributingFile) {
message.append(". When the change also fulfills all ");
message.append("[project specific requirements](https://github.com/");
message.append(pr.repository().name());
message.append("/blob/");
message.append(pr.targetRef());
message.append("/CONTRIBUTING.md)");
}
} catch (IOException e) {
throw new UncheckedIOException(e);
}

message.append(", type `/integrate` in a new comment to proceed. After integration, ");
message.append("the commit message will be:\n");
message.append("```\n");
message.append(commitMessage);
Expand Down
Expand Up @@ -688,4 +688,80 @@ void noAutoRebase(TestInfo testInfo) throws IOException {
assertTrue(CheckableRepository.hasBeenEdited(pushedRepo));
}
}

@Test
void missingContributingFile(TestInfo testInfo) throws IOException {
try (var credentials = new HostCredentials(testInfo);
var tempFolder = new TemporaryDirectory();
var pushedFolder = new TemporaryDirectory()) {

var author = credentials.getHostedRepository();
var integrator = credentials.getHostedRepository();
var censusBuilder = credentials.getCensusBuilder()
.addCommitter(author.forge().currentUser().id())
.addReviewer(integrator.forge().currentUser().id());
var prBot = PullRequestBot.newBuilder().repo(integrator).censusRepo(censusBuilder.build()).build();

// Populate the projects repository
var localRepo = CheckableRepository.init(tempFolder.path(), author.repositoryType());
var masterHash = localRepo.resolve("master").orElseThrow();
assertFalse(CheckableRepository.hasBeenEdited(localRepo));
localRepo.push(masterHash, author.url(), "master", true);

// Make a change with a corresponding PR
var editHash = CheckableRepository.appendAndCommit(localRepo);
localRepo.push(editHash, author.url(), "edit", true);
var pr = credentials.createPullRequest(author, "master", "edit", "This is a pull request");

// Approve it as another user
var approvalPr = integrator.pullRequest(pr.id());
approvalPr.addReview(Review.Verdict.APPROVED, "Approved");

TestBotRunner.runPeriodicItems(prBot);

// The bot should reply with an instructional message and no link to CONTRIBUTING.md
var lastComment = pr.comments().get(pr.comments().size() - 1);
assertFalse(lastComment.body().contains("CONTRIBUTING.md"));
}
}

@Test
void existingContributingFile(TestInfo testInfo) throws IOException {
try (var credentials = new HostCredentials(testInfo);
var tempFolder = new TemporaryDirectory();
var pushedFolder = new TemporaryDirectory()) {

var author = credentials.getHostedRepository();
var integrator = credentials.getHostedRepository();
var censusBuilder = credentials.getCensusBuilder()
.addCommitter(author.forge().currentUser().id())
.addReviewer(integrator.forge().currentUser().id());
var prBot = PullRequestBot.newBuilder().repo(integrator).censusRepo(censusBuilder.build()).build();

// Populate the projects repository
var localRepo = CheckableRepository.init(tempFolder.path(), author.repositoryType());
var contributingFile = localRepo.root().resolve("CONTRIBUTING.md");
Files.writeString(contributingFile, "Patches welcome!\n");
localRepo.add(contributingFile);
localRepo.commit("Add CONTRIBUTING.md", "duke", "duke@openjdk.org");
var masterHash = localRepo.resolve("master").orElseThrow();
assertFalse(CheckableRepository.hasBeenEdited(localRepo));
localRepo.push(masterHash, author.url(), "master", true);

// Make a change with a corresponding PR
var editHash = CheckableRepository.appendAndCommit(localRepo);
localRepo.push(editHash, author.url(), "edit", true);
var pr = credentials.createPullRequest(author, "master", "edit", "This is a pull request");

// Approve it as another user
var approvalPr = integrator.pullRequest(pr.id());
approvalPr.addReview(Review.Verdict.APPROVED, "Approved");

TestBotRunner.runPeriodicItems(prBot);

// The bot should reply with an instructional message and no link to CONTRIBUTING.md
var lastComment = pr.comments().get(pr.comments().size() - 1);
assertTrue(lastComment.body().contains("CONTRIBUTING.md"));
}
}
}